Home / 14,138.03-21,217.98-5,375.45

Finding the Fourth Proportional to 14,138.03, 21,217.98 and 5,375.45

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Solution

The fourth proportional to 14,138.03, 21,217.98 and 5,375.45 is: 8,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.03 : 21,217.98 = 5,375.45 : x
  2. Step 2: Convert to fraction form
    14,138.03/21,217.98 = 5,375.45/x
  3. Step 3: Cross multiply
    14,138.03x = 21,217.98 × 5,375.45
  4. Step 4: Simplify right side
    14,138.03x = 114,056,084.50
  5. Step 5: Solve for x
    x = 114,056,084.50/14,138.03
  6. Step 6: Final answer
    x = 8,067.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.